<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8" />
  <meta http-equiv="X-UA-Compatible" content="IE=edge" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>登录</title>
  <link rel="stylesheet" href="./bootstrap/bootstrap.min.css" />
  <link rel="stylesheet" href="./bootstrap/bootstrap-icons.css" />
  <link rel="stylesheet" href="./css/common.css" />
  <link rel="stylesheet" href="./css/login.css" />
</head>

<body class="application application-offset">
  <div class="container-fluid container-application">
    <div class="main-content position-relative">
      <!-- Page content -->
      <div class="page-content">
        <div class="min-vh-100 py-5 d-flex align-items-center">
          <div class="w-100">
            <div class="row justify-content-center">
              <div class="col-sm-8 col-lg-4">
                <div class="card shadow zindex-100 mb-0">
                  <div class="card-body px-md-5 py-5">
                    <div class="mb-5">
                      <h6 class="h3">传智教育-注册</h6>
                    </div>
                    <span class="clearfix"></span>
                    <form role="form" autocomplete="off">
                      <div class="form-group">
                        <label class="form-control-label">账号</label>
                        <div class="input-group input-group-merge">
                          <div class="input-group-prepend">
                            <span class="input-group-text"><i class="bi bi-person"></i></span>
                          </div>
                          <!-- ---------------- username 表单 ---------------- -->
                          <input name="username" type="text" class="form-control" id="input-email"
                            placeholder="请输入账号" />
                        </div>
                      </div>
                      <div class="form-group mb-4">
                        <div class="d-flex align-items-center justify-content-between">
                          <div>
                            <label class="form-control-label">密码</label>
                          </div>
                          <div class="mb-2">
                            <a href="javascript:;"
                              class="small text-muted text-underline--dashed border-primary">忘记密码</a>
                          </div>
                        </div>
                        <div class="input-group input-group-merge">
                          <div class="input-group-prepend">
                            <span class="input-group-text"><i class="bi bi-key"></i></span>
                          </div>
                          <!-- ---------------- password 表单 ---------------- -->
                          <input name="password" type="password" class="form-control" id="input-password"
                            placeholder="请输入密码" />
                          <div class="input-group-append">
                            <span class="input-group-text">
                              <a href="javascript:;" data-toggle="password-text" data-target="#input-password">
                                <i class="bi bi-eye-fill text-blue"></i>
                              </a>
                            </span>
                          </div>
                        </div>
                      </div>
                      <div class="mt-4">
                        <!-- ---------------- 注册按钮 ---------------- -->
                        <button id="btn-register" type="button"
                          class="btn btn-sm btn-info btn-icon btn-blue rounded-pill">
                          <span class="btn-inner--text">注册</span>
                          <span class="btn-inner--icon"><i class="bi bi-arrow-right"></i></span>
                        </button>
                      </div>
                    </form>
                  </div>
                  <div class="card-footer px-md-5">
                    <small>已经注册？</small> <a href="./login.html" class="small font-weight-bold text-blue">去登录吧</a>
                  </div>
                </div>
              </div>
            </div>
          </div>
        </div>
      </div>
    </div>
  </div>

  <!-- toast -->
  <div class="toast position-fixed top-5 start-50 translate-middle" style="z-index:999" role="alert"
    aria-live="assertive" aria-atomic="true">
    <!-- 可以自己定义内部结构 -->
    <div class="toast-body">
      Hello, world! This is a toast message.
    </div>
  </div>

  <script src="./bootstrap/bootstrap.min.js"></script>
  <script src="./lib/form-serialize.js"></script>
  <script src="./lib/axios.js"></script>
  <script src="./js/common.js"></script>
  <script>
    /* axios.defaults.baseURL = 'http://ajax-api.itheima.net'
    const oToast = document.querySelector('.toast')
    const toast = new bootstrap.Toast(oToast)
    // 封装函数tip
    function tip(msg){
      oToast.querySelector('.toast-body').innerHTML = msg
      toast.show()
    } */

    // 为 #btn-register 注册 onclick事件
    document.querySelector('#btn-register').onclick = async function (e) {
      e.preventDefault()
      const data = serialize(document.querySelector('form'), true)
      // console.log(data);
      if (!data.username) {
        return tip('用户名不能为空')
      }

      if (!data.password) {
        return tip('密码不能为空')
      }

      if (data.length < 6) {
        return tip('密码至少6位')
      }
      // try ... catch 处理失败情况
      try {
        await axios({
          url: '/register',
          method: 'post',
          data: data,
        })
        // 处理成功
        tip('注册成功')
        // 转向后台首页
        setTimeout(() => {
          window.location.href = './index.html'
        }, 1000)
      } catch (e) {
        if (e.response.status === 409) {
          return tip('用户名已存在');
        }
        tip('服务器内部错误')
      }
    }
  </script>
</body>

</html>